P1080835aBlog4 Acorn Knopper Gall on acorns: abnormal growth caused by the wasp Andricus quercuscalcis (3)

Acorn Knopper Gall on acorns: abnormal growth caused by the wasp Andricus quercuscalcis (3)

Acorn Knopper Gall on acorns: abnormal growth caused by the wasp Andricus quercuscalcis (3)

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